What is "christcross-row"

Crossrow \Cross"row`\ (-r?`), n.

1. The alphabet; -- called also Christcross-row.

   And from the crossrow plucks the letter G. -- Shak.

2. A row that crosses others.

Christcross-row \Christ"cross-row`\, The alphabet; -- formerly so called, either from the cross usually set before it, or from a superstitious custom, sometimes practiced, of writing it in the form of a cross, by way of a charm.

From infant conning of the Christcross-row.
--Wordsworth.